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Recently, federated learning (FL) has emerged as a promising distributed machine learning (ML) technology, owing to the advancing computational and sensing capacities of end-user devices, however with the increasing concerns on users'…

Machine Learning · Computer Science 2024-08-06 Kang Wei , Jun Li , Chuan Ma , Ming Ding , Sha Wei , Fan Wu , Guihai Chen , Thilina Ranbaduge

Federated learning (FL) enables multiple data owners to build machine learning models collaboratively without exposing their private local data. In order for FL to achieve widespread adoption, it is important to balance the need for…

Machine Learning · Computer Science 2026-05-27 Anran Li , Rui Liu , Ming Hu , Yuanyuan Chen , Shipeng Wang , Lizhen Cui , Han Yu

Vertical Federated Learning (VFL) offers a novel paradigm in machine learning, enabling distinct entities to train models cooperatively while maintaining data privacy. This method is particularly pertinent when entities possess datasets…

Machine Learning · Computer Science 2024-12-17 Mengde Han , Tianqing Zhu , Lefeng Zhang , Huan Huo , Wanlei Zhou

Vertical federated learning (VFL) attracts increasing attention due to the emerging demands of multi-party collaborative modeling and concerns of privacy leakage. In the real VFL applications, usually only one or partial parties hold…

Machine Learning · Computer Science 2021-03-02 Qingsong Zhang , Bin Gu , Cheng Deng , Heng Huang

Vertical federated learning (VFL) allows an active party with a top model, and multiple passive parties with bottom models to collaborate. In this scenario, passive parties possessing only features may attempt to infer active party's…

Machine Learning · Computer Science 2026-03-20 Yige Liu , Dexuan Xu , Zimai Guo , Yongzhi Cao , Hanpin Wang

Synthesizing information from multiple data sources is critical to ensure knowledge generalizability. Integrative analysis of multi-source data is challenging due to the heterogeneity across sources and data-sharing constraints due to…

Methodology · Statistics 2023-01-03 Zijian Guo , Xiudi Li , Larry Han , Tianxi Cai

As an emerging secure learning paradigm in lever-aging cross-agency private data, vertical federatedlearning (VFL) is expected to improve advertising models by enabling the joint learning of complementary user attributes privately owned by…

Machine Learning · Computer Science 2023-06-21 Wenjie Li , Qiaolin Xia , Junfeng Deng , Hao Cheng , Jiangming Liu , Kouying Xue , Yong Cheng , Shu-Tao Xia

With the popularization of AI solutions for image based problems, there has been a growing concern for both data privacy and acquisition. In a large number of cases, information is located on separate data silos and it can be difficult for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Paul K. Mandal , Cole Leo

Horizontal Federated learning (FL) handles multi-client data that share the same set of features, and vertical FL trains a better predictor that combine all the features from different clients. This paper targets solving vertical FL in an…

Machine Learning · Computer Science 2021-02-02 Tianyi Chen , Xiao Jin , Yuejiao Sun , Wotao Yin

In current deep learning paradigms, local training or the Standalone framework tends to result in overfitting and thus poor generalizability. This problem can be addressed by Distributed or Federated Learning (FL) that leverages a parameter…

Machine Learning · Computer Science 2020-08-31 Lingjuan Lyu , Xinyi Xu , Qian Wang

Machine learning (ML) models trained on datasets owned by different organizations and physically located in remote databases offer benefits in many real-world use cases. State regulations or business requirements often prevent data transfer…

Federated Learning (FL) is a decentralized machine learning protocol that allows a set of participating agents to collaboratively train a model without sharing their data. This makes FL particularly suitable for settings where data privacy…

Machine Learning · Computer Science 2020-10-30 Mustafa Safa Ozdayi , Murat Kantarcioglu , Rishabh Iyer

In federated learning (FL), data providers jointly train a machine learning model without sharing their training data. This makes it challenging to provide verifiable claims about the trained FL model, e.g., related to the employed training…

Cryptography and Security · Computer Science 2026-02-19 Jinnan Guo , Kapil Vaswani , Andrew Paverd , Peter Pietzuch

Vertical federated learning (VFL) is an emerging paradigm that enables collaborators to build machine learning models together in a distributed fashion. In general, these parties have a group of users in common but own different features.…

Machine Learning · Computer Science 2024-03-04 Pengyu Qiu , Xuhong Zhang , Shouling Ji , Changjiang Li , Yuwen Pu , Xing Yang , Ting Wang

Federated learning (FL) allows for collaborative model training across decentralized clients while preserving privacy by avoiding data sharing. However, current FL methods assume conditional independence between client models, limiting the…

Machine Learning · Statistics 2024-05-28 Conor Hassan , Joshua J Bon , Elizaveta Semenova , Antonietta Mira , Kerrie Mengersen

Federated learning in vehicular edge networks faces major challenges in efficient resource allocation, largely due to high vehicle mobility and the presence of imperfect channel state information. Many existing methods oversimplify these…

Signal Processing · Electrical Eng. & Systems 2026-02-04 Metehan Karatas , Subhrakanti Dey , Christian Rohner , Jose Mairton Barros da Silva

Vertical Federated Learning (VFL) has garnered significant attention as a privacy-preserving machine learning framework for sample-aligned feature federation. However, traditional VFL approaches do not address the challenges of class and…

Machine Learning · Computer Science 2025-08-06 Shuo Wang , Keke Gai , Jing Yu , Liehuang Zhu , Qi Wu

Federated Learning (FL) enables collaborative training across decentralized clients, but most methods assume aligned feature schemas, an assumption that rarely holds in tabular settings where clients observe only partially overlapping…

Machine Learning · Computer Science 2026-05-18 Imane Hocine , Chaimaa Medjadji , Sylvain Kubler , Gregoire Danoy , Yves Le Traon

Federated learning (FL) is a machine learning paradigm in which distributed local nodes collaboratively train a central model without sharing individually held private data. Existing FL methods either iteratively share local model…

Machine Learning · Computer Science 2023-12-25 Xuan Gong , Shanglin Li , Yuxiang Bao , Barry Yao , Yawen Huang , Ziyan Wu , Baochang Zhang , Yefeng Zheng , David Doermann

Federated learning (FL) presents an effective solution for collaborative model training while maintaining data privacy across decentralized client datasets. However, data quality issues such as noisy labels, missing classes, and imbalanced…

Machine Learning · Computer Science 2025-05-16 Alpaslan Gokcen , Ali Boyaci